Home / 87,041.04-130,561.56-27,876.48

Finding the Fourth Proportional to 87,041.04, 130,561.56 and 27,876.48

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Solution

The fourth proportional to 87,041.04, 130,561.56 and 27,876.48 is: 41,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,041.04 : 130,561.56 = 27,876.48 : x
  2. Step 2: Convert to fraction form
    87,041.04/130,561.56 = 27,876.48/x
  3. Step 3: Cross multiply
    87,041.04x = 130,561.56 × 27,876.48
  4. Step 4: Simplify right side
    87,041.04x = 3,639,596,716.11
  5. Step 5: Solve for x
    x = 3,639,596,716.11/87,041.04
  6. Step 6: Final answer
    x = 41,814.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.